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Principal/ Senior Principal Network Engineer

Requisition ID: R10106895

  • CategoryCategory: Information Technology
  • Location Location: Rocket Center, West VA, USA   |  Northridge, CA, USA  |  Elkton, MD, USA  |  Plymouth, MN, USA  |  Ronkonkoma, NY, USA  |  Radford, VA, USA +5 more
  • Citizenship RequirementsCitizenship Required: United States Citizenship
  • Security Clearance TypeClearance Type: None
  • TelecommuteTelecommute: Yes-May consider hybrid teleworking for this position
  • ShiftShift: 1st Shift (United States of America)
  • Travel RequirementsTravel Required: Yes, 10% of the Time
  • Number of Positions AvailablePositions Available: 1

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman needs a qualified Principal or Senior Principal Network Engineer to perform key assignments for Defense Sector Engineering and Manufacturing networks. The successful candidate will sit in Rocket Center, WV but will support across the different divisions and Business Units in the Defense Sector. 

This position supports large heterogeneous unclassified networks that support physical and virtual hosts with an emphasis on supporting NextGen manufacturing network automation and Industrial Internet of Things (IIoT) devices. This technical role requires an understanding of network administration, systems architecture, cyber security, and information assurance and requires the ability to support a diverse user community in a dynamic environment. 

Responsibilities include network design, implementation, and evaluation, hardware/software installation, upgrades, troubleshooting, repair, monitoring, tuning, automation scripting and general user support. Duties will also include maintaining system documentation, developing infrastructure support procedures, and providing security support.

This position can be hired as a Principal or Senior Principal Level Engineer, based on the candidate's education and experience.

Basic Qualifications

  • Principal Level: BS and 5 years of experience. Senior Principal Level: BS and 9 years of experience.
  • Bachelor’s Degree in Information Technology or related STEM field; 7 Years with Masters; 4 Years with PhD. Equivalent combination of education with experience may be accepted.
  • Proficiency with networking devices such as routers, switches, and firewalls.
  • Proficiency with Cisco networking hardware and operating systems
  • Proficiency with various network topographies (data center, LAN, and WAN).
  • Proficiency with TCP/IP connectivity utilizing UTP and fiber optic media.
  • Understanding of Networking technologies including:
    • VLANs, VLAN trunking, Link Aggregation (LACP, LAG), Spanning Tree
    • Layer 3 Routing, CIDR subnetting
    • Virtual chassis and clustering
  • Proficiency with network security principles, threats, and vulnerabilities.
  • Understanding of cyber security compliance in frameworks such as DFARS, RMF or DIACAP
  • Ability to solve problems quickly and completely; analytical problem-solving skills; adept at root-cause analysis and mitigation.
  • Ability to work independently while being conscious of how your work interacts with that of others
  • Ability to juggle multiple projects simultaneously and prioritize effectively.
  • Must possess drive, enthusiasm and attention to detail.
  • Design, implement and maintain complex systems and networks. Coordinate maintenance activities with other team members and users to produce least impact solutions.
  • Provides technical guidance to internal and external personnel on highly complex network system installation processes.
  • Solid understanding of the OSI model
  • Experience providing remote support
  • Comfortable working in a large Manufacturing environment (varying noise, environmental climates and operating conditions)
  • US Citizenship is required and candidates must be able to obtain and maintain a U.S. Government (DoD) security clearance following hire.

Preferred Qualifications:

  • Familiar with using Cisco network security policy and monitoring tools.  To Include ISE, DNA Center, Cyber Vision, to manage Juniper network infrastructure.
  • Familiar with Cisco Firepower Layer 7 Next generation firewalls and applying L7 signature-based firewall policies
  • Experience performing troubleshooting with traffic capture tools; such as Wireshark and tcpdump
  • Exposure to next generation networking technologies including:
    • Software Defined Networking & Micro-segmentation
    • Understanding of VXLAN and logical networking concepts
  • Experience with Atlassian Tools (Confluence, Jira, Bitbucket, etc.)
  • Ability to work flex and overtime hours with some weekend hours expected.
  • Experience with network automation using technologies such as PowerShell, Ansible, Python, JavaScript
  • CCNA or CCNP certification or equivalent is a plus


Northrop Grumman is an Equal Opportunity Employer committed to hiring and retaining a diverse workforce regardless of age. U.S. Citizenship is required for most positions.

US Citizenship Required for this Position: Ye

This position reports to Rocket Center, West VA, USA, however, you are able to work from any of the additional 5 locations listed above.

Salary Range: $107,000 USD - $161,000 USD

Employees may be eligible for a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The health and safety of our employees and their families is a top priority. The company encourages employees to remain up-to-date on their COVID-19 vaccinations. U.S. Northrop Grumman employees may be required, in the future, to be vaccinated or have an approved disability/medical or religious accommodation, pursuant to future court decisions and/or government action on the currently stayed federal contractor vaccine mandate under Executive Order 14042

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO/AA and Pay Transparency statement, please visit U.S. Citizenship is required for most positions.

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What's great about
Northrop Grumman

  1. Be part of a culture that thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work.
  2. Use your skills to build and deliver innovative tech solutions that protect the world and shape a better future.
  3. Enjoy benefits like work-life balance, education assistance and paid time off.

Did you know?

Northrop Grumman leads the industry team for NASA’s James Webb Space Telescope, the largest, most complex and powerful space telescope ever built. Launched in December 2021, the telescope incorporates innovative design, advanced technology, and groundbreaking engineering, and will fundamentally alter our understanding of the universe.